>game tutorial isn't clear enough with base mechanics

>game tutorial isn't clear enough with base mechanics

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  1. 3 weeks ago
    Anonymous

    What in the frick. This has to be on purpose

    • 3 weeks ago
      Anonymous

      It's a teaching tool, meant to help kids visualize the difference. Also they work toward 5s rather than 10s to make stuff like 7 and 8 easier to grasp.

      • 3 weeks ago
        Anonymous

        How is this easier than the top way?

        • 3 weeks ago
          Anonymous

          It depends on how your brain works, but for a lot of people, me included, working in 10 or 5 or "known" increments is an easier way to do math than follow some strict formula, and apparently studies have shown most people think the same way since it's become standard practice.
          Mind you, when I was in grade school this didn't exist, and yet I still did math that way in my head, and never learned all the multiplication tables by heart like my teachers wanted.

          • 3 weeks ago
            Anonymous

            This is a meme where someone posts pure moronation and then spends 100 paragraphs trying to convince other people that actually pure, unfiltered nonsense garbage is totally normal and just how their autistic moron brain is able to be taught basic concepts.

          • 3 weeks ago
            Anonymous

            ok known increments is understandable but OP is just infintely worse and the sum isnt a good example since the two numbers are easy to subtract from each other

            • 3 weeks ago
              Anonymous

              That's just a small example to show kids how it works, you're too hung up on that.

              • 3 weeks ago
                Anonymous

                trumps right
                ministry of education needs to get burned to the ground

              • 3 weeks ago
                Anonymous

                >ministry of education
                >trump

              • 3 weeks ago
                Anonymous

                no child left behind was a mistake

              • 3 weeks ago
                Anonymous

                is that still a thing? it's been a disaster from the get-go, why haven't they dropped it?

              • 3 weeks ago
                Anonymous

                It's like DARE, it never mattered how effective it is, so they don't study it. It's entirely a political move.

              • 3 weeks ago
                Anonymous

                yeah but it was a republican thing, wasn't it? shouldn't that mean they're more willing to scrutinize it?

              • 3 weeks ago
                Anonymous

                Nancy Reagan, yes. She was popular, it's hard to argue against "drugs bad" politically, even if the methodology doesn't make sense.

              • 3 weeks ago
                Anonymous

                no i meant No Child Left Behind, that was a Bush thing IIRC?

              • 3 weeks ago
                Anonymous

                Remember when she hired a psychic after husband got shot and they consulted this woman before every major decision during his reign as president?

              • 3 weeks ago
                Anonymous

                >let's introduce what hardcore drugs are to 8 year olds
                >nfw drug use goes up after the DARE program

              • 3 weeks ago
                Anonymous

                Just like how showing them cool car car crashes and street racing doesn't reduce accidents.

              • 3 weeks ago
                Anonymous

                at my high school we had to watch some video called red asphalt that showed the victims after bad wrecks in detail, full gore and everything. always surprised me they showed us that.

              • 3 weeks ago
                Anonymous

                I feel like this should be somewhat effective. Throw in a couple quick sob stories, too.

              • 3 weeks ago
                Anonymous

                because in the american system, education exists to babysit kids, and all learning is incidental.
                anything that might insinuate that little timmy is subnormal will upset the parents, and we can't have that, can we? just keep shunting them along and have them working for doordash or whatever the frick.

      • 3 weeks ago
        Anonymous

        No wonder zoomers and alphaers are moronic

    • 3 weeks ago
      Anonymous

      Yes you can do subtraction as addition. But doing 3+5+10+2 is an extra step just go to the nearest 10.
      12 to 20 is 8
      20 to 30 is 10
      30 to 32 is 2
      8+10+2
      One less homosexual step.

      • 3 weeks ago
        Anonymous

        That's it. Everyone under 43 dies.

    • 3 weeks ago
      Anonymous

      This is how anybody who's not a noob sums in their head.

      I actually am bothered that they are teaching this now because I had to develop the method on my own just a few years ago.

      >186-423
      Do this.
      >186+14=200
      >423-200=223
      >223+14=237
      >difference starts from a lower number, thus answer is negative.
      >-237

      • 3 weeks ago
        Anonymous

        You can't instantly substract 186 from 423 and put a minus in front?

        • 3 weeks ago
          Anonymous

          Shut up troony

          • 3 weeks ago
            Anonymous

            You're black

      • 3 weeks ago
        Anonymous

        >186-423
        You can just flip the order of the numbers and put a negative sign in front of your answer. You don't have to do all this extra shit.

        • 3 weeks ago
          Anonymous

          I just said that you homosexual. Now how do you do 423-186 if the 8 is larger than 2? Do you intuitively know the answer as you see it? Do you do some moronic multi-step approach from right to left forgetting you have to do this shit without paper?

          • 3 weeks ago
            Anonymous

            how the frick would your way be easier without paper?

            • 3 weeks ago
              Anonymous

              I already told you.

              By rounding a number you save operative memory. It's easier to process one cypher at a time and just remember when you finish that you rounded shit. You don't have to do the "save this 10 for later, what was that I got?, Now I save this other 20 for the next, what was what I was writing again?" bullshit. Too many things to remember at once.

          • 3 weeks ago
            Anonymous

            I look at the numbers and do it in my head, it happens quick in my head so it's hard to break down and seems intuitive but goes something like 40 47 37 337 237
            If you can't adapt numbers in your head on such an easy level what the hell are you even doing?
            I only start needing paper when I need to remember and modify three numbers simultaneously for example three digit multiplication

            • 3 weeks ago
              Anonymous

              >I look at the numbers and do it in my head
              The whole reason they are doing that is because they literally can't visualize it in their heads, new generations are dumb as frick because instead of making them become smart and visualize stuff, they need to translate it a bunch of times into simple things and then do the easy stuff.

          • 3 weeks ago
            Anonymous

            Yes, same thing. Just add a 10 to the ones area and subtract one from the tenths area of the bigger number. Then it's simple subtraction where you put the numbers from the result from right to left and get the answer. You just need more practice or to work on your mental acuity. I'm mentally moronic compared to my school days, but even then you should still find patterns to make things easier.

          • 3 weeks ago
            Anonymous

            Let's see:
            400-186+23
            214+23=237

          • 3 weeks ago
            Anonymous

            This just seems like a bunch of extra steps. It's easier and faster to do it the way I said.
            Your teachers fricked you up, bro.

          • 3 weeks ago
            Anonymous

            borrow and carry isn't the most difficult concept.
            >Do you intuitively know the answer as you see it?
            No, this is about teaching people math. A 6 year old is not expected to intuit anything. Certainly not which magic numbers they are supposed to assume out of the ether that they need to plug into your bizarre method.

      • 3 weeks ago
        Anonymous

        13-6=7
        11-8=3
        3-1=2
        -237.
        I don't understand how it's meant to be easier, it just involves an extra step at the end.

    • 3 weeks ago
      Anonymous

      it is on purpose. smart man once told me she mastered who gets in and out but not what they weight or how long it takes them to get there. sad story. same smart man told me all he has to do it know when to do something else.

    • 3 weeks ago
      Anonymous

      The whole point is to 'test kids ability to follow instructions'. Your child having a good understanding of basic mathematics is cheating and unfair. So they had to make a new way which is a set of overly convoluted rules and backwards round abouts so they make your kid learn it and test how well they follow the instructions for it, despite its overall usage being minimal.

      • 3 weeks ago
        Anonymous

        Not even the most insidious part.
        It hindered the parents ability to contribute to education, by changing the fundamentals of the system. This meant that kids couldn't get ahead by having good parents.

    • 3 weeks ago
      Anonymous

      It is. The entire point of common core is to take agency away from parents.

  2. 3 weeks ago
    Anonymous

    what the frick is pic related? in what situation is this technique useful? Seems completely arbitrary, why add 5? Why not go from 12 to 20 from the getgo? Even better, why not go from 12 to 32 right away? Oh wait, its cause that'd be the "old fashion" way, right.

    I'm 100% convinced this pic was specifically made to confuse and upset people and its very good at that.

    • 3 weeks ago
      Anonymous

      >I'm 100% convinced
      Then you're a certified moron. Congratulations. They teach this shit now.

    • 3 weeks ago
      Anonymous

      I can see what it's doing, it's having you add from 12 to 30 instead of subtracting by way of using "easy" numbers. IE 5's and 10's. So first get to a 5 or 10 then add "easy" numbers until you get to your 32. Then add up all your easy numbers.

      The issue here is they assuming you're smart enough to add but too stupid to subtract. Why else would you take 8 steps for a normally 2 step equation?

    • 3 weeks ago
      Anonymous

      I think its probably intended to help very young children who could only count up to 5 (i.e. number of fingers on one hand).
      Or it could be taught in middle schools because Americans are actually that moronic, who knows.

  3. 3 weeks ago
    Anonymous

    what a waste of time fr fr just use your phone's calculator

  4. 3 weeks ago
    Anonymous

    When will they phase out algebra?

  5. 3 weeks ago
    Anonymous

    Its much easier to visualize 12 as 10+2 and then just do 32-2 and then 30-10.

    • 3 weeks ago
      Anonymous

      It's not difficult to see that both numbers end in 2.

      You could easily do 30 - 10, and 2 - 2, and see the result is 20 and 0.

  6. 3 weeks ago
    Anonymous

    >funded and lobbied by bill gates
    >would not exist without him
    >his children were sent to schools that do not use common core/new math
    >people he put in charge explicitly state common core designed to combat white supremacy
    >despite decade+ of use, scores are lower now than ever before in past 100 years

    makes one think

    • 3 weeks ago
      Anonymous

      >people he put in charge explicitly state common core designed to combat white supremacy
      >despite decade+ of use, scores are lower now than ever before in past 100 years
      >despite
      It's working as intended and the scores are down thanks to it. You can't elevate non-whites to white levels so the only way to combat white supremacy is by dragging the white kids down to the other kids' level. That's how all of these modern equality/equity things work. Common core is just one example among many.

      • 3 weeks ago
        Anonymous

        >can't elevate non-whites to white levels so the only way to combat white supremacy is by dragging the white kids down to the other kids' level

  7. 3 weeks ago
    Anonymous

    I see what this is doing. It assumes you’re too stupid to do the math in your head so it’s making add numbers incrementally until you determine the difference by first getting to an interval of 5 and then 10 and then the remaining difference i.e.
    12 + 3 would make it end in a 5
    15 + 5 would make it end in a 0
    20 + 10 would get the tens place to match
    30 + 2 would finally get you to 32 so
    3 + 5 + 10 + 2 would add up to the difference
    It’s basically just taking the long way so Black folk and hispanics have a way of adding things up without straight up counting it out on their fingers.

    • 3 weeks ago
      Anonymous

      so thats it? it's just math for literal morons?

      >I'm 100% convinced
      Then you're a certified moron. Congratulations. They teach this shit now.

      kys

    • 3 weeks ago
      Anonymous

      You can't instantly substract 186 from 423 and put a minus in front?

      The real purpose of this thing is to clear space in your mind. How much operational memory do you have? How many cyphers can you operate? How many can you visualize and accurately remember?

      Yes, putting 423-186 and turning it negative is the same, but you should still do the rounding (which is the point of the new technique) to clear up operational memory.

      423-186 you can't do automatically. You can break it down to
      >423-(186+14)
      >223+14
      Now to some brainlet, the 14 may seem an arbitrary number, it's the complementary number to reach a convenient number ending in zero or 5 or whatever is easy to remember.

      • 3 weeks ago
        Anonymous

        >visualize
        Who is thinking that deeply about it?
        I think numbers other numbers come out.

        Yes, if I check I can see my brain did 200 + 30 + 7 when comparing those number because in my head everything becomes addition by default but I never sat there puzzling over or imagining the numbers like you're implying. I saw the numbers and saw their difference within a split second.

        You brain does not have a limit like it's an 8 bit calculator or something.

    • 3 weeks ago
      Anonymous

      Oh shit! I had seen this image several times before but could never crack what the big idea was because I didn't expect it to be THAT dumb. Thanks.

    • 3 weeks ago
      Anonymous

      >It’s basically just taking the long way so Black folk and hispanics have a way of adding things up without straight up counting it out on their fingers.
      The irony to me is there are great finger counting systems that let you work with large numbers

  8. 3 weeks ago
    Anonymous

    >Soulless vs soul

  9. 3 weeks ago
    Anonymous

    Gotta be honest guys what's the best way to catch up on basic middle/high school math? I can't do shit in my head like basic addition or multiplication and the one or two times a month I have to do it I look like a complete drooling moron

    • 3 weeks ago
      Anonymous

      Stewards precalculus. Do ALL the exercises, and verify the answer working the steps backwards. The tediousness forces you to start thinking in optimizing your reasoning, which is the point of math. Wish somebody had ever told me this.

    • 3 weeks ago
      Anonymous

      Also, unironically play this stupid H game, it's what started it all. The girl fricks you for answering basic arithmetic. You could also use Anki cards if you're that much of a homosexual.

    • 3 weeks ago
      Anonymous

      Math requires practice. Just get a math text book and do some problems for practice, a bunch of it will come back to you, if you were ever any good at math to begin with.

    • 3 weeks ago
      Anonymous

      You suck at calculating because you don't do it often. When it comes to mental math you can think of your brain as if it were a muscle - you're not going to lift 100kg off the floor on if you've never lifted.

  10. 3 weeks ago
    Anonymous

    typically I would have done with with a calculator, but in this case I had to flip the order and subtract place by place, taking from higher positions

    >423-186 = (423-13)-(186-6):13-6 = 7
    >410-180 = (410-110)-(180-80)]:11-8 = 3
    >300-100 = 200
    >200 + 30 + 7 = 237
    >-237

    • 3 weeks ago
      Anonymous

      Imagine trying to teach a person who learned addition and subtraction like THIS something like matrices or FOIL

      • 3 weeks ago
        Anonymous

        I'm helping my learning disability gf who dropped out of school learn maths now
        >Look up what foil stand for
        Are you moronic? This isn't remotely difficult and why did you need to name it?
        I have her doing these for calculating double digit multiplication

      • 3 weeks ago
        Anonymous

        homie I've already done up to 3 dimensional Calculus, who cares how I subtract

    • 3 weeks ago
      Anonymous

      Look at that bullshit. Just setting kids up to fail.

  11. 3 weeks ago
    Anonymous

    Why the frick would you ever do subtraction by adding
    It's 30-10 and then 2-2
    If something is complicated enough to not be doable in your head you just do long subtraction or use the calculator on your device

  12. 3 weeks ago
    Anonymous

    Skipping steps in early education is exactly why your McDonald's cashier takes 5 minutes to count your change even with a little picture screen showing them exact change. Old Way gives you the firm foundation to naturally develop the tech of the New Way. It's like asking why DMC never told you about iframes, simply put, you were supposed to learn about them naturally as the lava spider boss or those puppet fricks on the stairs kicked your ass around.

  13. 3 weeks ago
    Anonymous

    There is no such thing as subtraction or division

    • 3 weeks ago
      Anonymous

      How can mirrors be real if our eyes don't exist?

    • 3 weeks ago
      Anonymous

      There's no such thing as a 0

    • 3 weeks ago
      Anonymous

      Numbers aren't real.

    • 3 weeks ago
      Anonymous

      substraction is just adding negative numbers
      division is just multiplying rational numbers (all numbers are rational)

      • 3 weeks ago
        Anonymous

        Finally, a non-moron

  14. 3 weeks ago
    Anonymous

    Bottom is literally counting from 12 to 32 then summing up the steps you did
    Zoomers can't into mental arithmetic these days anyways because smartphones and tills rotted their minds. The concept of giving extra so you get a nice round change confuses and angers them

    • 3 weeks ago
      Anonymous

      >The concept of giving extra so you get a nice round change confuses and angers them
      This happened to me a couple of times already, still in awe.
      You'd think someone dealing with giving change back every day would develop shortcuts in their brain to perform this kind of task more efficiently, but no.

  15. 3 weeks ago
    Anonymous

    I had to teach that shit in Germany a few years ago when they tried to introduce it here as well. Utter fricking horseshit and probably the worst year I ever had teaching math.

  16. 3 weeks ago
    Anonymous

    I don’t get it.

    32-12. Then 12+3? Where do these numbers come from?

    • 3 weeks ago
      Anonymous

      They're trying to count their way up from 12 to 3 in "easier" steps.
      So 12 to 15, 15 to 20, 20 to 30, and 30 to 32.
      This, or similar, is something your brain should automatically develop when you start dealing with numbers as a child, but it was never taught like this literally because it's fricking moronic.

    • 3 weeks ago
      Anonymous

      The picture is a meme but the point is to round into easy to remember numbers of convenience. I personally memorized all the pairs of numbers that give 10 as answer (4+6, 3+7, 2+8 etc). In fact I memorized what every pair of single digit gives.

      • 3 weeks ago
        Anonymous

        what? of course you have, they only go up to 18.

  17. 3 weeks ago
    Anonymous

    3 - 1 = 2
    2 - 2 = 0
    Boom
    20

  18. 3 weeks ago
    Anonymous

    Who the frick turned basic subtraction into a shitty knock off of long division?

    • 3 weeks ago
      Anonymous

      A guy who later got decredited and fined for lying about his revolutionary teaching method.
      Kids ratted him out lol

      • 3 weeks ago
        Anonymous

        Really? That's funny. I don't remember the dudes name but I know he's a israelite. Do you have a link?

  19. 3 weeks ago
    Anonymous

    *cough*

  20. 3 weeks ago
    Anonymous

    They teach this? No wonder kids are so stupid these days.

  21. 3 weeks ago
    Anonymous

    common core is 100% fundamentally good ideas but taught in 1000% moronic nonsensical manners
    It basically gets a great method, makes kids do it in a more convoluted manner that basically circumvents the actual quality of the method

  22. 3 weeks ago
    Anonymous

    what the frick is this shit? Why would you do 4 equations instead of just doing the simple subtraction?

  23. 3 weeks ago
    Anonymous

    I understand what they are trying to do in the "new way" but why go 12 to 15, then 15 to 20? Wouldn't it be easier for the kid to just go 12 to 20?

    • 3 weeks ago
      Anonymous

      I was a high school math teacher for a while and there's nothing a student fears more than a 7 or an 8.

      • 3 weeks ago
        Anonymous

        >student fears 7 or 8
        >high school
        Let me guess, Black folk?

        • 3 weeks ago
          Anonymous

          Worse
          Nigresses

        • 3 weeks ago
          Anonymous

          Even the whites, anon. Society is collapsing.

      • 3 weeks ago
        Anonymous

        7, i understand, still troubles me at times, fricking hate all multipliers of 7
        but 8? actual moronation, easy as frick, how do you struggle with this holy shut

        • 3 weeks ago
          Anonymous

          95% of all students stop memorizing their addition and multiplication rules at 5 and then skip to 10. So the vast majority of people struggle to add or multiply anything involving a 6,7,8 or 9.
          >there are people who don't get joy from the fact that 7 and 8 make 15
          >there are people who don't understand the easy rule for multiplying 9s

          • 3 weeks ago
            Anonymous

            9 and 6 are easy

            • 3 weeks ago
              Anonymous

              Go ask a random zoomer what 9*6 is and watch them count on their fingers

              • 3 weeks ago
                Anonymous

                >anything*9
                >just do anything*10 then remove anything
                ez
                zoomers btfo

              • 3 weeks ago
                Anonymous

                For me, it's
                >anything*9
                >subtract 1 from number and add whatever it takes to get to 9
                >6-1 = 5
                >5 + 4 = 9
                >answer is 54

              • 3 weeks ago
                Anonymous

                Neat.

              • 3 weeks ago
                Anonymous

                imo that's more complicated than just subtracting 6 from 60

              • 3 weeks ago
                Anonymous

                cool.
                But I just do the multiply by 10 then substract thing

              • 3 weeks ago
                Anonymous

                what's wrong with counting on your fingers?

              • 3 weeks ago
                Anonymous

                I showed some kids the trick where you take the number being multiplied by 9, subtract 1, then find the difference to make 9.
                They thought I was a wizard.

              • 3 weeks ago
                Anonymous

                For me, it's
                >anything*9
                >subtract 1 from number and add whatever it takes to get to 9
                >6-1 = 5
                >5 + 4 = 9
                >answer is 54

                The real fun part is when you find out the pattern still holds up even past 9*10 but now you subtract 2 and add up to 18 and so on.

              • 3 weeks ago
                Anonymous

                Sheeeit nice catch anon, thanks. Added that to my repertoire

              • 3 weeks ago
                Anonymous

                idgi

              • 3 weeks ago
                Anonymous

                9*15
                15-2 = 13
                13 + 5 = 18
                Therefore 9*15 = 135 (13 append 5)

          • 3 weeks ago
            Anonymous

            One of my elementary teachers had a hard-on for 7*8 being 56, he would put it on a ton of tests and i kind of never forgot it
            Kind of handy because I feel like it's the most annoying one.

          • 3 weeks ago
            Anonymous

            >95% of all students stop memorizing their addition and multiplication rules at 5 and then skip to 10. So the vast majority of people struggle to add or multiply anything involving a 6,7,8 or 9.

            what the actual frick? i couldn't pass 3rd grade back in 2001 without learning up to 9. i think we learned up to 12, but 9 was the minimum.

  24. 3 weeks ago
    Anonymous

    where the frick did they come up all these numbers to arrive the answer? huh

    • 3 weeks ago
      Anonymous

      They try to round up to 5s and 10s to incrementally get from the first number to the second and see the difference. It does work, but it's way too many steps for something that can be solved in 2 or 3 simpler ones as long as a child comprehends calculating up to 20.

  25. 3 weeks ago
    Anonymous

    I don't understand where the steps come from?
    where they derive 12+3 from 32-12?

    • 3 weeks ago
      Anonymous

      It took me embarrassingly long time to understand what they are doing and I'n still unsure why they start with 12+3 rather than 12+8.

      They are trying to 'easily' add up from 12 to 32 to see what is difference. They choose numbers they think are easiest.

      • 3 weeks ago
        Anonymous

        okay okay I see it now. so get 12 to a 5-rounded number by adding three, and then go by 5's or 10's until they get close enough to add smaller numbers. I wonder how they teach the kids when it's appropriate to go by 5's or 10's, assuming this is for like 2nd graders.

  26. 3 weeks ago
    Anonymous

    ?si=jaxK8OdFfL69X-vU&t=76
    >let's actively make normal algebra harder for no reason
    i hate these israelites so much it's unreal.

  27. 3 weeks ago
    Anonymous

    It's for brown people.

  28. 3 weeks ago
    Anonymous

    >it's another episode of morons on Ganker do math
    Genuinely entertaining and simultaneously infuriating

  29. 3 weeks ago
    Anonymous

    Tutor here
    Yes, that is real. Yes, kids nowadays couldn't be more moronic.

  30. 3 weeks ago
    Anonymous

    What the frick?

  31. 3 weeks ago
    Anonymous

    At that point wouldn't it just be easier to say
    >32 - 2 = 30
    >30 - 10 = 20
    ?

    • 3 weeks ago
      Anonymous

      uhhhhhhh white supremacy much??

    • 3 weeks ago
      Anonymous

      When calculating in my head, if I can't do it directly I pretty much do something like this and I find it useful.
      Whatever is in the OP seems too exaggerated though

  32. 3 weeks ago
    Anonymous

    Math is realer than laguage.
    Math is realer than objects.
    Math is realer than you.
    Math is realer than me.
    01010001010101110001001000100011110001

    • 3 weeks ago
      Anonymous

      b***h shut the frick up

    • 3 weeks ago
      Anonymous

      can't trick me

  33. 3 weeks ago
    Anonymous

    >1x1=2
    what's wrong yt?
    can't follow?
    2 hard 4 u?
    heh

  34. 3 weeks ago
    Anonymous

    I mean, it's sort-of like determining how much change someone gets back. You could up to the number using arbitrary values (the value of a coin) to make it to where you can then add larger chunks of value until you arrive at the needed change value.

    ...which is a very roundabout way of doing things unless it is to do something like count change back.

    Why not just use that time to teach someone to use a calculator? Everyone has a calculator on their person nowadays (cell phones). Sounds like a lot better and efficient use of time.

  35. 3 weeks ago
    Anonymous

    I'm no zoomer but I do something similar, I just make 10s
    30-12
    30-2=30
    30-10= 20

    This is overly simplistic but It works for harder problems and bigger numbers too
    Idk why you would use addition to solve a subtraction problem like in the OP pic tho

  36. 3 weeks ago
    Anonymous

    just yesterday i was doing a dozen or so math problems in my head for work, same way i've been doing since elementary school. today i read this, got confused and actually had to back and read up subttaction by regrouping. i havent done this ever. this moronation is infrctious. no wonder kids are moronic.

  37. 3 weeks ago
    Anonymous

    >15 - 5/4/3/2/1
    all is good
    >15 - 6/7/8/9
    DEATH INCARNATE

    • 3 weeks ago
      Anonymous

      7 and 8 are 15's best friends, anon, you're just moronic.

  38. 3 weeks ago
    Anonymous

    The technique has its use some times, just not this one where the simple substraction is easier.

    An example would be:
    605-396
    where 4+200+5 is quicker than doing the actual substraction.

  39. 3 weeks ago
    Anonymous

    They're trying to teach morons what smart people already do in their head, finding simpler numbers for complicated math then self correcting at the end. It looks extra moronic because
    >it's a super small number that should just be instinctual into middle school
    >it's already on paper which means you don't need to do it in your head

  40. 3 weeks ago
    Anonymous

    >multipliers of 8
    for me, it's "add 10, substract 2"
    08
    (0+1) (8-2) is 1 and 6
    16
    24
    32
    40 (ends in 0 so just add 8 and repeat again)
    48
    56
    64
    72
    80
    88
    96
    104
    112
    120
    128
    136
    144
    152
    160
    168
    and so on
    i do the same thing with 9, but instead of 2 you substract 1
    09
    (0+1) (9-1) is 1 and 8
    18
    27
    etc

  41. 3 weeks ago
    Anonymous

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